CVE-2026-2861 MEDIUM

CVE-2026-2861: Foswiki Changes/Viewfile/Oops information disclosure

Vendor N/A
Product Foswiki
Weakness CWE-200 · Info exposure
Published February 21, 2026
Last update March 16, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in Foswiki up to 2.1.10. The affected element is an unknown function of the component Changes/Viewfile/Oops. The manipulation results in information disclosure. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 2.1.11 is sufficient to fix this issue. The patch is identified as 31aeecb58b64/d8ed86b10e46. Upgrading the affected component is recommended.

Key dates

02Disclosure timeline

February 21, 2026 CVE published
March 16, 2026 Record updated